Alright, let's work through 8621 times 9288 step by step
8621 × 9288 = 9288 × (8621)
+ 9288 × 1 that is equal 9288
+ 9288 × 20 which equals 185760
+ 9288 × 600 yielding 5572800
+ 9288 × 8000 yielding 74304000

= 80071848
